PNGcrush
OptiPNG
SuperPNG (simple photoshop plug-in)
PNGout
big png (photoshop plug-in)
R.I.O.T. portable
R.I.O.T. dll plug-in GIMP/GIMPhoto/IrfanView
oh my
the RIOT portable application allows fast, BATCH, extreme compression for my PNG (RGB or RGBA). awesome!
Seth Wisely said: diversity for its own sake is folly, but often good for the market
